@article{ZNSL_1969_14_a2,
     author = {A. V. Ivanov},
     title = {On interior estimates of the first derivatives of solutions of quasilinear non-uniformly elliptic and parabolic equations of general form},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {24--47},
     publisher = {mathdoc},
     volume = {14},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1969_14_a2/}
}