Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1985_6_a9, author = {M. I. Khaǐkin}, title = {The {Riemann} problem for some pairs of functions in the singular case}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {62--71}, publisher = {mathdoc}, number = {6}, year = {1985}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1985_6_a9/} }
M. I. Khaǐkin. The Riemann problem for some pairs of functions in the singular case. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 6 (1985), pp. 62-71. http://geodesic.mathdoc.fr/item/IVM_1985_6_a9/