TY  - JOUR
AU  - I. A. Kiiko
TI  - Variation principle in problems concerned with a flow of a thin layer of plastic material
JO  - Doklady Akademii Nauk
PY  - 1964
SP  - 551
EP  - 553
VL  - 157
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1964_157_3_a15/
LA  - ru
ID  - DAN_1964_157_3_a15
ER  -