TY  - JOUR
AU  - Yu. I. Gil'derman
TI  - The trajectories of systems whose right hand side is of extremal form
JO  - Doklady Akademii Nauk
PY  - 1970
SP  - 977
EP  - 978
VL  - 191
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1970_191_5_a3/
LA  - ru
ID  - DAN_1970_191_5_a3
ER  -