TY  - JOUR
AU  - E. V. Radkevich
TI  - Conditions for the existence of a transition zone
JO  - Doklady Akademii Nauk
PY  - 1988
SP  - 1323
EP  - 1328
VL  - 299
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1988_299_6_a10/
LA  - ru
ID  - DAN_1988_299_6_a10
ER  -