@article{MZM_1996_59_4_a1,
     author = {G. N. Arzhantseva and A. Yu. Ol'shanskii},
     title = {The class of groups all of whose subgroups with lesser number of generators are free is generic},
     journal = {Matemati\v{c}eskie zametki},
     pages = {489--496},
     publisher = {mathdoc},
     volume = {59},
     number = {4},
     year = {1996},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1996_59_4_a1/}
}