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@article{AL_1968_7_3_a4, author = {A. I. Kokorin}, title = {Intersection and union of relatively convex subgroups of orderable}, journal = {Algebra i logika}, pages = {48--50}, publisher = {mathdoc}, volume = {7}, number = {3}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1968_7_3_a4/} }
A. I. Kokorin. Intersection and union of relatively convex subgroups of orderable. Algebra i logika, Tome 7 (1968) no. 3, pp. 48-50. http://geodesic.mathdoc.fr/item/AL_1968_7_3_a4/