TY - JOUR AU - N. S. Grigor'ev TI - Uniform asymptotic expansions of solutions of the Mathieu equation and the modified Mathieu equation JO - Zapiski Nauchnykh Seminarov POMI PY - 1976 SP - 60 EP - 91 VL - 62 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1976_62_a6/ LA - ru ID - ZNSL_1976_62_a6 ER -