TY  - JOUR
AU  - N. N. Bogdat'eva
TI  - The asymptotic behavior of the solutions of a second order equation under a confluence of singular points
JO  - Differencialʹnye uravneniâ
PY  - 1974
SP  - 202
EP  - 209
VL  - 10
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1974_10_2_a2/
LA  - ru
ID  - DE_1974_10_2_a2
ER  -