@article{DAN_1987_295_3_a2,
     author = {A. A. Ivanov},
     title = {Graphs of girth $5$ and diagram geometries connected with the},
     journal = {Doklady Akademii Nauk},
     pages = {529--533},
     publisher = {mathdoc},
     volume = {295},
     number = {3},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1987_295_3_a2/}
}