@article{ZNSL_1985_147_a6,
     author = {A. I. Nazarov and N. N. Ural'tseva},
     title = {Convex-monotonous bulls and an estimate of {Biaximum} for solutions of the parabolic equation},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {95--109},
     publisher = {mathdoc},
     volume = {147},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1985_147_a6/}
}