TY  - JOUR
AU  - V. M. Zakalyukin
TI  - Singularities of Circle-Surface Contacts and Flags
JO  - Funkcionalʹnyj analiz i ego priloženiâ
PY  - 1997
SP  - 73
EP  - 76
VL  - 31
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FAA_1997_31_2_a8/
LA  - ru
ID  - FAA_1997_31_2_a8
ER  -