@article{SM_1975_27_2_a1,
     author = {G. A. Kats},
     title = {Wall groups of finite groups and $\Pi$-signatures of manifolds},
     journal = {Sbornik. Mathematics},
     pages = {163--181},
     year = {1975},
     volume = {27},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1975_27_2_a1/}
}