TY  - JOUR
AU  - O. Boruvka
TI  - Theory of the global properties of second order linear ordinary differential equations
JO  - Differencialʹnye uravneniâ
PY  - 1976
SP  - 1347
EP  - 1383
VL  - 12
IS  - 8
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1976_12_8_a0/
LA  - ru
ID  - DE_1976_12_8_a0
ER  -