Voir la notice de l'article provenant de la source Math-Net.Ru
@article{AL_1979_18_2_a1, author = {N. T. Vorobev}, title = {Maximal screens of local formations}, journal = {Algebra i logika}, pages = {137--161}, publisher = {mathdoc}, volume = {18}, number = {2}, year = {1979}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1979_18_2_a1/} }
N. T. Vorobev. Maximal screens of local formations. Algebra i logika, Tome 18 (1979) no. 2, pp. 137-161. http://geodesic.mathdoc.fr/item/AL_1979_18_2_a1/