@article{TIMM_2015_21_1_a19,
     author = {T. V. Pervukhina},
     title = {Characterization of the pseudovariety generated by finite monoids satisfying $\mathscr{R}=\mathscr{H}$},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {197--204},
     year = {2015},
     volume = {21},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2015_21_1_a19/}
}