@article{ZNSL_2013_420_a8,
     author = {V. V. Petrov},
     title = {Strengthenings of inequalities by {Lyapunov,} {H\"older} and {Minkowski}},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {149--156},
     publisher = {mathdoc},
     volume = {420},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2013_420_a8/}
}