@article{DAN_1967_174_5_a11,
     author = {V. A. Krasnikov},
     title = {On the hydrodynamic approximation of {Green's} functions of superfluid {Bose} system},
     journal = {Doklady Akademii Nauk},
     pages = {1037--1040},
     publisher = {mathdoc},
     volume = {174},
     number = {5},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1967_174_5_a11/}
}