TY  - JOUR
AU  - M. V. Fedoryuk
TI  - Asymptotic methods in the theory of one-dimensional singular differential operators
JO  - Trudy Moskovskogo matematičeskogo obŝestva
PY  - 1966
SP  - 296
EP  - 345
VL  - 15
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MMO_1966_15_a8/
LA  - ru
ID  - MMO_1966_15_a8
ER  -