@article{MMO_1987_50_a0,
     author = {Yu. M. Berezanskiǐ and V. G. Samoǐlenko},
     title = {Selfadjointness of infinite-dimensional elliptic differential operators},
     journal = {Trudy Moskovskogo matemati\v{c}eskogo ob\^{s}estva},
     pages = {3--54},
     publisher = {mathdoc},
     volume = {50},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MMO_1987_50_a0/}
}