@article{RM_1960_15_1_a25,
     author = {A. G. Kostyuchenko and B. S. Mityagin},
     title = {Positive-definite functionals on nuclear spaces},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     publisher = {mathdoc},
     volume = {15},
     number = {1},
     year = {1960},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1960_15_1_a25/}
}