@article{DAN_1976_229_4_a1,
     author = {V. N. Vorobjev and A. B. Efimov and E. V. Konshina and L. F. Starostina},
     title = {Green's function for a three-dimensional {Riemann} space with two parallel branch lines},
     journal = {Doklady Akademii Nauk},
     pages = {787--789},
     publisher = {mathdoc},
     volume = {229},
     number = {4},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1976_229_4_a1/}
}