TY  - JOUR
AU  - M. K. Bugir
TI  - Oscillation of solutions of linear differential equations in spaces of constant curvature
JO  - Differencialʹnye uravneniâ
PY  - 1990
SP  - 1956
EP  - 1961
VL  - 26
IS  - 11
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1990_26_11_a15/
LA  - ru
ID  - DE_1990_26_11_a15
ER  -