@article{MZM_1987_41_4_a5,
     author = {A. N. Skiba and E. A. Targonskii},
     title = {A classification of local formations of finite groups with nilpotent defect 2},
     journal = {Matemati\v{c}eskie zametki},
     pages = {490--499},
     publisher = {mathdoc},
     volume = {41},
     number = {4},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1987_41_4_a5/}
}