TY - JOUR AU - V. A. Smirnov TI - Secondary Steenrod operations in cohomology of infinite-dimensional projective spaces JO - Matematičeskie zametki PY - 2006 SP - 476 EP - 480 VL - 79 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2006_79_3_a15/ LA - ru ID - MZM_2006_79_3_a15 ER -