Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MAT_1957_1_2_a4, author = {K. O. Friedrichs}, title = {Asymptotic phenomena in mathematical physics}, journal = {Matematika}, pages = {79--94}, publisher = {mathdoc}, volume = {1}, number = {2}, year = {1957}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MAT_1957_1_2_a4/} }
K. O. Friedrichs. Asymptotic phenomena in mathematical physics. Matematika, Tome 1 (1957) no. 2, pp. 79-94. http://geodesic.mathdoc.fr/item/MAT_1957_1_2_a4/