@article{MAT_1971_15_1_a1,
     author = {R. P. Langlands},
     title = {Euler {Products}},
     journal = {Matematika},
     pages = {14--43},
     publisher = {mathdoc},
     volume = {15},
     number = {1},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MAT_1971_15_1_a1/}
}