Vijayaraghavan, V. (1981). Perturbation methods. Department of Mathematics, CUSAT.
Dyfyniad Arddull ChicagoVijayaraghavan, V. Perturbation Methods. Kochi: Department of Mathematics, CUSAT, 1981.
Dyfyniad MLAVijayaraghavan, V. Perturbation Methods. Department of Mathematics, CUSAT, 1981.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.