@article{AL_1963_2_5_a1,
     author = {M. I. Kargapolov},
     title = {On generalized solvable groups},
     journal = {Algebra i logika},
     pages = {19--28},
     publisher = {mathdoc},
     volume = {2},
     number = {5},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1963_2_5_a1/}
}