Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1971_10_a10, author = {Ya. L. Shapiro}, title = {Superinvolutory distributions}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {76--81}, publisher = {mathdoc}, number = {10}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1971_10_a10/} }
Ya. L. Shapiro. Superinvolutory distributions. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 10 (1971), pp. 76-81. http://geodesic.mathdoc.fr/item/IVM_1971_10_a10/