@article{700216,
     title = {On the linear and quasilinear parabolic equations},
     booktitle = {Differential Equations and Their Applications},
     series = {GDML\_Books},
     publisher = {Slovensk\'e pedagogick\'e nakladate\v lstvo},
     address = {Bratislava},
     year = {1967},
     pages = {273-279},
     zbl = {0182.43204},
     url = {http://dml.mathdoc.fr/item/700216}
}

Ladyzenskaya, O. A. On the linear and quasilinear parabolic equations, dans Differential Equations and Their Applications, GDML_Books,  (1967), pp. 273-279. http://gdmltest.u-ga.fr/item/700216/