@article{DA_2011_18_5_a4,
     author = {N. G. Parvatov},
     title = {About finding of maximal subclones in weak-central clone},
     journal = {Diskretnyj analiz i issledovanie operacij},
     pages = {80--97},
     publisher = {mathdoc},
     volume = {18},
     number = {5},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DA_2011_18_5_a4/}
}