Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1973_13_5_a16, author = {Yu. L. Shmul'yan}, title = {Letter to the editor}, journal = {Matemati\v{c}eskie zametki}, pages = {783--784}, publisher = {mathdoc}, volume = {13}, number = {5}, year = {1973}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1973_13_5_a16/} }
Yu. L. Shmul'yan. Letter to the editor. Matematičeskie zametki, Tome 13 (1973) no. 5, pp. 783-784. http://geodesic.mathdoc.fr/item/MZM_1973_13_5_a16/