@article{DAN_1969_187_5_a11, author = {S. A. Chunikhin}, title = {Composition blocks of finite groups}, journal = {Doklady Akademii Nauk}, pages = {1005--1008}, publisher = {mathdoc}, volume = {187}, number = {5}, year = {1969}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1969_187_5_a11/} }