TY  - JOUR
AU  - V. A. Iskovskikh
TI  - A~simple proof of a~theorem of Gizatullin
JO  - Informatics and Automation
PY  - 1990
SP  - 111
EP  - 116
VL  - 183
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TRSPY_1990_183_a12/
LA  - ru
ID  - TRSPY_1990_183_a12
ER  -