@article{TIMM_1992_2_a1,
     author = {N. D. Zyulyarkina and A. A. Makhnev},
     title = {Tightly embedded subgroups with abelian fusion},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {19--26},
     publisher = {mathdoc},
     volume = {2},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_1992_2_a1/}
}