TY - JOUR AU - S. S. Podkorytov TI - On the Stiefel–Whitney numbers and semicharacteristic JO - Algebra i analiz PY - 2002 SP - 171 EP - 187 VL - 14 IS - 5 UR - http://geodesic.mathdoc.fr/item/AA_2002_14_5_a8/ LA - ru ID - AA_2002_14_5_a8 ER -