TY  - JOUR
AU  - E. E. Barbashina
TI  - A package with variable control variations.~I
JO  - Differencialʹnye uravneniâ
PY  - 1984
SP  - 1297
EP  - 1308
VL  - 20
IS  - 8
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1984_20_8_a1/
LA  - ru
ID  - DE_1984_20_8_a1
ER  -