@article{ZNSL_1981_109_a0,
     author = {V. A. Bykovskii},
     title = {System of inequalities},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {3--33},
     publisher = {mathdoc},
     volume = {109},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1981_109_a0/}
}