@article{AL_1968_7_4_a3,
     author = {F. N. Liman},
     title = {Nonperiodic groups with certain systems of invariant subgroups},
     journal = {Algebra i logika},
     pages = {70--86},
     publisher = {mathdoc},
     volume = {7},
     number = {4},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1968_7_4_a3/}
}