@article{AL_1978_17_1_a0,
     author = {P. G. Gres'},
     title = {Blocks and sections of finite groups},
     journal = {Algebra i logika},
     pages = {3--19},
     publisher = {mathdoc},
     volume = {17},
     number = {1},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1978_17_1_a0/}
}