@article{DAN_1968_180_3_a16,
     author = {L. Ya. Kobelev},
     title = {On the non-analyticity points of {Green's} functions of systems of interacting particles},
     journal = {Doklady Akademii Nauk},
     pages = {576--579},
     publisher = {mathdoc},
     volume = {180},
     number = {3},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1968_180_3_a16/}
}