Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1975_1_a12, author = {I. V. Shragin}, title = {Superposition measurability}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {82--92}, publisher = {mathdoc}, number = {1}, year = {1975}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1975_1_a12/} }
I. V. Shragin. Superposition measurability. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 1 (1975), pp. 82-92. http://geodesic.mathdoc.fr/item/IVM_1975_1_a12/