TY  - JOUR
AU  - I. G. Portnov
TI  - A rigorous solution to the problem of freezing when the temperature at a fixed boundary is subject to arbitrary variation
JO  - Doklady Akademii Nauk
PY  - 1962
SP  - 559
EP  - 562
VL  - 143
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1962_143_3_a16/
LA  - ru
ID  - DAN_1962_143_3_a16
ER  -