TY  - JOUR
AU  - S. Yu. Antonov
AU  - A. V. Antonova
TI  - To Chang theorem
JO  - Izvestiya of Saratov University. Mathematics. Mechanics. Informatics
PY  - 2015
SP  - 247
EP  - 251
VL  - 15
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ISU_2015_15_3_a0/
LA  - ru
ID  - ISU_2015_15_3_a0
ER  -