%0 Journal Article %A Nyul, Gábor %A Rácz, Gabriella %T Matchings in complete bipartite graphs and the $r$-Lah numbers %J Czechoslovak Mathematical Journal %D 2021 %P 947-959 %V 71 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.2021.0148-20/ %R 10.21136/CMJ.2021.0148-20 %G en %F 10_21136_CMJ_2021_0148_20