@misc{AL_2015_54_6_a6,
     title = {Sessions of the {Seminar} {``Algebra} {i~Logika'',} {Extended} {Sessions} of the {Seminar} within the {Framework} of the {Conference} {``Mal'tsev} {Readings''} {Dedicated} to 75th {Anniversary} of {Yu.\,L.~Ershov} {(May} 3--7, 2015)},
     journal = {Algebra i logika},
     pages = {777--779},
     publisher = {mathdoc},
     volume = {54},
     number = {6},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2015_54_6_a6/}
}