Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DA_1971_8_a8, author = {G. Sh. Fridman}, title = {{\CYRO}{\cyrd}{\cyrn}{\cyra} {\cyrz}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyra} {\cyra}{\cyrp}{\cyrp}{\cyrr}{\cyro}{\cyrk}{\cyrs}{\cyri}{\cyrm}{\cyra}{\cyrc}{\cyri}{\cyri} {\cyrg}{\cyrr}{\cyra}{\cyrf}{\cyro}{\cyrv}}, journal = {Diskretnyj analiz i issledovanie operacij}, pages = {73--75}, publisher = {mathdoc}, number = {8}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DA_1971_8_a8/} }
G. Sh. Fridman. Одна задача аппроксимации графов. Diskretnyj analiz i issledovanie operacij, no. 8 (1971), pp. 73-75. http://geodesic.mathdoc.fr/item/DA_1971_8_a8/