TY  - JOUR
AU  - G. S. Khovanskii
TI  - Form relations having added possibilities for transformation of charts with oriented transparent sheet
JO  - Doklady Akademii Nauk
PY  - 1958
SP  - 251
EP  - 254
VL  - 118
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1958_118_2_a11/
LA  - ru
ID  - DAN_1958_118_2_a11
ER  -