Behavior of second order nonlinear differential equations. Ling, Rina — 1978 International Journal of Mathematics and Mathematical Sciences
Unstable periodic wave solutions of nerve axion diffusion equations. Ling, Rina — 1987 International Journal of Mathematics and Mathematical Sciences
Reducing increasing monotonicity of kernels. Ling, Rina — 1984 International Journal of Mathematics and Mathematical Sciences
Solutions of singular integral equations. Ling, Rina — 1982 International Journal of Mathematics and Mathematical Sciences
Parameters and solutions of linear and nonlinear oscillators. Ling, Rina — 1979 International Journal of Mathematics and Mathematical Sciences
Singular perturbation for nonlinear boundary-value problems. Ling, Rina — 1979 International Journal of Mathematics and Mathematical Sciences