@article{SEMR_2020_17_a24,
     author = {M. V. Schwidefsky},
     title = {On sufficient conditions for $Q$-universality},
     journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a},
     pages = {1043--1051},
     publisher = {mathdoc},
     volume = {17},
     year = {2020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SEMR_2020_17_a24/}
}