%0 Journal Article %A Chems-Eddin, Mohamed Mahmoud %T On units of some fields of the form $\mathbb {Q}\big (\sqrt 2, \sqrt {p}, \sqrt {q}, \sqrt {-l}\big )$ %J Mathematica Bohemica %D 2023 %P 237-242 %V 148 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/MB.2022.0128-21/ %R 10.21136/MB.2022.0128-21 %G en %F 10_21136_MB_2022_0128_21