%0 Journal Article %A Mihail B. Banaru %A Galina A. Banaru %A Tatiana L. Melekhina %T A note on almost contact metric $2$- and $3$-hypersurfaces in $W_4$-manifolds %J Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica %D 2019 %P 103-108 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/BASM_2019_1_a8/ %G en %F BASM_2019_1_a8