TY  - JOUR
AU  - V. S. Krotkin
AU  - O. V. Kuzmin
TI  - On a~constructive approach to the calculation of cardinality of the Ryser classes
JO  - Diskretnaya Matematika
PY  - 2009
SP  - 33
EP  - 36
VL  - 21
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DM_2009_21_3_a3/
LA  - ru
ID  - DM_2009_21_3_a3
ER  -