@article{ZNSL_1980_103_a1,
     author = {Z. I. Borevich and O. N. Matsedonskaya},
     title = {On the lattice of subgroups},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {13--19},
     publisher = {mathdoc},
     volume = {103},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1980_103_a1/}
}