Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1977_12_a7, author = {V. B. Lender}, title = {Normally solvable lattices}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {44--53}, publisher = {mathdoc}, number = {12}, year = {1977}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1977_12_a7/} }
V. B. Lender. Normally solvable lattices. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 12 (1977), pp. 44-53. http://geodesic.mathdoc.fr/item/IVM_1977_12_a7/