TY  - JOUR
AU  - G. M. Henkin
TI  - Proof of non-isomorphism of spaces of smooth functions on a segment and on a square
JO  - Doklady Akademii Nauk
PY  - 1967
SP  - 48
EP  - 51
VL  - 172
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1967_172_1_a11/
LA  - ru
ID  - DAN_1967_172_1_a11
ER  -