@article{FPM_2008_14_5_a16,
     author = {V. A. Shcherbacov and A. Kh. Tabarov and D. I. Pu\c{s}ca\c{s}u},
     title = {On congruences of groupoids closely connected with quasigroups},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {237--251},
     publisher = {mathdoc},
     volume = {14},
     number = {5},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2008_14_5_a16/}
}