TY  - JOUR
AU  - F. A. Berezin
TI  - The number of closed nonselfintersecting contours on a~planar lattice
JO  - Sbornik. Mathematics
PY  - 1971
SP  - 47
EP  - 63
VL  - 14
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1971_14_1_a2/
LA  - en
ID  - SM_1971_14_1_a2
ER  -