TY  - JOUR
AU  - P. V. Sokolov
TI  - Limit theorems on the existence of integral surfaces that are tangent to singular integral elements
JO  - Differencialʹnye uravneniâ
PY  - 1971
SP  - 1672
EP  - 1683
VL  - 7
IS  - 9
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1971_7_9_a14/
LA  - ru
ID  - DE_1971_7_9_a14
ER  -