TY  - JOUR
AU  - B. M. Levitan
TI  - Approximation of infinite-zone potentials by finite-zone potentials
JO  - Izvestiya. Mathematics 
PY  - 1983
SP  - 55
EP  - 87
VL  - 20
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM2_1983_20_1_a3/
LA  - en
ID  - IM2_1983_20_1_a3
ER  -