@article{AL_1979_18_3_a5,
     author = {V. N. Semenchuk},
     title = {Minimal non-$\mathfrak{F}$-groups},
     journal = {Algebra i logika},
     pages = {348--382},
     year = {1979},
     volume = {18},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1979_18_3_a5/}
}