Robert Bredereck Klaus Heeger Dusan Knop Rolf Niedermeier Parameterized complexity of stable roommates with ties and incomplete lists through the lens of graph parameters. 104943 2022 289 Inf. Comput. Part https://doi.org/10.1016/j.ic.2022.104943 db/journals/iandc/iandc289.html#BredereckHKN22