%0 Journal Article %A Lu, Daowei %A Ning, Yan %A Wang, Dingguo %T The bicrossed products of $H_4$ and $H_8$ %J Czechoslovak Mathematical Journal %D 2020 %P 959-977 %V 70 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.2020.0079-19/ %R 10.21136/CMJ.2020.0079-19 %G en %F 10_21136_CMJ_2020_0079_19