@article{AL_2021_60_4_a2,
     author = {A. G. Pinus},
     title = {Abstract relations between functional clones},
     journal = {Algebra i logika},
     pages = {425--432},
     publisher = {mathdoc},
     volume = {60},
     number = {4},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2021_60_4_a2/}
}