@article{FAA_1969_3_3_a7,
     author = {A. S. Nemirovskii and G. E. Shilov},
     title = {Axiomatic description of {Laplace} operator for functions on {Hilbert} space},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {79--85},
     year = {1969},
     volume = {3},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1969_3_3_a7/}
}