@article{DAN_1960_131_1_a1,
     author = {A. G. Kostyuchenko and B. S. Mityagin},
     title = {Positive definite functionals on nuclear spaces},
     journal = {Doklady Akademii Nauk},
     pages = {13--16},
     publisher = {mathdoc},
     volume = {131},
     number = {1},
     year = {1960},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1960_131_1_a1/}
}