TY - JOUR AU - I. B. Zhukov TI - Iversen's formula for the second Chern classes of regular surfaces in any characteristic JO - Algebra i analiz PY - 2007 SP - 137 EP - 158 VL - 19 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AA_2007_19_5_a5/ LA - ru ID - AA_2007_19_5_a5 ER -