TY - JOUR AU - V. E. Tarakanov TI - Estimates of the independence number of a hypergraph and the Ryser conjecture JO - Matematičeskie zametki PY - 1997 SP - 873 EP - 883 VL - 61 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1997_61_6_a7/ LA - ru ID - MZM_1997_61_6_a7 ER -