@article{AA_2007_19_5_a5,
     author = {I. B. Zhukov},
     title = {Iversen's formula for the second {Chern} classes of regular surfaces in any characteristic},
     journal = {Algebra i analiz},
     pages = {137--158},
     publisher = {mathdoc},
     volume = {19},
     number = {5},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2007_19_5_a5/}
}