TY  - JOUR
AU  - A. A. Egorov
TI  - Solutions of the differential inequality with a~null Lagrangian: higher integrability and removability of singularities.~I
JO  - Vladikavkazskij matematičeskij žurnal
PY  - 2014
SP  - 22
EP  - 37
VL  - 16
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VMJ_2014_16_3_a2/
LA  - en
ID  - VMJ_2014_16_3_a2
ER  -