Voir la notice de l'article provenant de la source Math-Net.Ru
@article{AL_2000_39_1_a4, author = {Yu. L. Ershov}, title = {Lattice properties preserved under free products}, journal = {Algebra i logika}, pages = {66--73}, publisher = {mathdoc}, volume = {39}, number = {1}, year = {2000}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_2000_39_1_a4/} }
Yu. L. Ershov. Lattice properties preserved under free products. Algebra i logika, Tome 39 (2000) no. 1, pp. 66-73. http://geodesic.mathdoc.fr/item/AL_2000_39_1_a4/