TY  - JOUR
AU  - S. R. Svirshchevskii
TI  - Nonlinear differential operators of the first and the second orders, possessing invariant linear spaces of the maximal dimension
JO  - Teoretičeskaâ i matematičeskaâ fizika
PY  - 1995
SP  - 198
EP  - 207
VL  - 105
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TMF_1995_105_2_a1/
LA  - ru
ID  - TMF_1995_105_2_a1
ER  -