TY  - JOUR
AU  - O. A. Platonova
TI  - Singularities in the problem of the quickest by-passing of an obstacle
JO  - Funkcionalʹnyj analiz i ego priloženiâ
PY  - 1981
SP  - 86
EP  - 87
VL  - 15
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FAA_1981_15_2_a16/
LA  - ru
ID  - FAA_1981_15_2_a16
ER  -