@article{JSFU_2015_8_3_a6,
     author = {Maxim N. Nazarov},
     title = {Finite representation of classes of isomorphic groupoids},
     journal = {\v{Z}urnal Sibirskogo federalʹnogo universiteta. Matematika i fizika},
     pages = {312--319},
     publisher = {mathdoc},
     volume = {8},
     number = {3},
     year = {2015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JSFU_2015_8_3_a6/}
}