@article{SEMR_2021_18_2_a8, author = {S. A. Badmaev and A. E. Dugarov and I. V. Fomina and I. K. Sharankhaev}, title = {On some intervals in the lattice of ultraclones of rank~$2$}, journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a}, pages = {1210--1218}, publisher = {mathdoc}, volume = {18}, number = {2}, year = {2021}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/SEMR_2021_18_2_a8/} }