@article{AA_1998_10_4_a6,
     author = {O. M. Pushin},
     title = {$K'$-theory of quadrics with degenerations},
     journal = {Algebra i analiz},
     pages = {177--191},
     publisher = {mathdoc},
     volume = {10},
     number = {4},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_1998_10_4_a6/}
}