@article{VMUMM_2018_1_a10,
     author = {M. B. Banaru},
     title = {Almost contact metric hypersurfaces with small type numbers in $W_4$-manifolds},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {67--70},
     publisher = {mathdoc},
     number = {1},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2018_1_a10/}
}