@article{ZNSL_1987_160_a26,
     author = {V. M. Tsvetkov},
     title = {Examples of two-dimensional pro-$p$-groups and {Lie} algebras},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {263--271},
     publisher = {mathdoc},
     volume = {160},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1987_160_a26/}
}