Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1972_9_a1, author = {A. S. Bondarev}, title = {Sets with disjoint elements}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {10--16}, publisher = {mathdoc}, number = {9}, year = {1972}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1972_9_a1/} }
A. S. Bondarev. Sets with disjoint elements. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 9 (1972), pp. 10-16. http://geodesic.mathdoc.fr/item/IVM_1972_9_a1/