| Limit cycles of differential equations C Christopher, C Li, J Torregrosa Birkhäuser, 2007 | 367 | 2007 |
| Multiplicity of invariant algebraic curves in polynomial vector fields C Christopher, J Llibre, JV Pereira Pacific J. Math 229 (1), 63-117, 2007 | 287 | 2007 |
| Invariant algebraic curves and conditions for a centre CJ Christopher Proceedings of the Royal Society of Edinburgh Section A: Mathematics 124 (6 …, 1994 | 214 | 1994 |
| Integrability via invariant algebraic curves for planar polynomial differential systems C Christopher, J Llibre Annals of Differential Equations. Weifen Fangcheng Niankan 16, 5-19, 2000 | 194 | 2000 |
| Isochronous centers in planar polynomial systems CJ Christopher, J Devlin SIAM Journal on Mathematical Analysis 28 (1), 162-177, 1997 | 152 | 1997 |
| Towards a new model of crack tip stress fields CJ Christopher, MN James, EA Patterson, KF Tee International Journal of Fracture 148, 361-371, 2007 | 146 | 2007 |
| Polynomial systems: a lower bound for the Hilbert numbers CJ Christopher, NG Lloyd Proceedings of the Royal Society of London. Series A: Mathematical and …, 1995 | 142 | 1995 |
| Algebraic aspects of integrability for polynomial systems C Christopher, J Llibre Qualitative theory of dynamical systems 1, 71-95, 1999 | 127 | 1999 |
| Normalizable, integrable, and linearizable saddle points for complex quadratic systems in C Christopher, P Mardešić, C Rousseau Journal of dynamical and control systems 9 (3), 311-363, 2003 | 123 | 2003 |
| Estimating limit cycle bifurcations from centers C Christopher Differential equations with symbolic computation, 23-35, 2005 | 119 | 2005 |
| Small-amplitude limit cycle bifurcations for Liénard systems with quadratic or cubic damping or restoring forces C Christopher, S Lynch Nonlinearity 12 (4), 1099, 1999 | 119 | 1999 |
| Assessment of crack tip plastic zone size and shape and its influence on crack tip shielding JM Vasco‐Olmo, MN James, CJ Christopher, EA Patterson, FA Díaz Fatigue & Fracture of Engineering Materials & Structures 39 (8), 969-981, 2016 | 117 | 2016 |
| On the paper of Jin and Wang concerning the conditions for a centre in certain cubic systems CJ Christopher, NG Lloyd Bulletin of the London Mathematical Society 22 (1), 5-12, 1990 | 110 | 1990 |
| Algorithmic derivation of centre conditions JM Pearson, NG Lloyd, CJ Christopher SIAM review 38 (4), 619-636, 1996 | 104 | 1996 |
| Liouvillian first integrals of second order polynomial differential equations C Christopher Southwest Texas State University, Department of Mathematics, 1999 | 97 | 1999 |
| Darboux integrability and invariant algebraic curves for planar polynomial systems C Christopher, J Llibre Saló, C Pantazi, X Zhang | 96 | 2004 |
| An algebraic approach to the classification of centers in polynomial Liénard systems C Christopher Journal of mathematical analysis and applications 229 (1), 319-329, 1999 | 93 | 1999 |
| A quantitative evaluation of fatigue crack shielding forces using photoelasticity CJ Christopher, MN James, EA Patterson, KF Tee Engineering Fracture Mechanics 75 (14), 4190-4199, 2008 | 81 | 2008 |
| Quadratic-like cubic systems NG Lloyd, CJ Christopher, J Devlin, JM Pearson, N Yasmin Differential Equations and Dynamical Systems. An International Journal for …, 1997 | 78 | 1997 |
| Local crack plasticity and its influences on the global elastic stress field MN James, CJ Christopher, Y Lu, EA Patterson International Journal of Fatigue 46, 4-15, 2013 | 77 | 2013 |