TY  - JOUR
AU  - V. I. Bliznikas
AU  - Z. Yu. Lupeikis
TI  - The geometry of certain systems of partial differential equations
JO  - Itogi Nauki i Tekhniki. Seriya Problemy Geometrii. Trudy Geometricheskogo Seminara
PY  - 1974
SP  - 135
EP  - 168
VL  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/INTG_1974_5_a5/
LA  - ru
ID  - INTG_1974_5_a5
ER  -