TY  - JOUR
AU  - E. I. Zverovich
TI  - Reduction of Hilbert's problem for a multiply-connected region to Hilbert's problem with a rational coefficient
JO  - Doklady Akademii Nauk
PY  - 1964
SP  - 777
EP  - 780
VL  - 157
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1964_157_4_a5/
LA  - ru
ID  - DAN_1964_157_4_a5
ER  -