@article{CHEB_2016_17_1_a17,
     author = {A. V. Reshetnikov},
     title = {On partial $n$-ary groupoids whose equivalence relations are congruences},
     journal = {\v{C}eby\v{s}evskij sbornik},
     pages = {232--239},
     publisher = {mathdoc},
     volume = {17},
     number = {1},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CHEB_2016_17_1_a17/}
}