@article{FPM_2012_17_5_a15,
     author = {K. K. Shchukin},
     title = {On isotopies, parastrophies, and orthogonality of quasigroups},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {237--244},
     publisher = {mathdoc},
     volume = {17},
     number = {5},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2012_17_5_a15/}
}