@article{MZ_1936__40_168622,
     author = {M.R. Siddiqi},
     title = {On the theory of non-linear differential {Equations} od {Parabolic} type {II}},
     journal = {Mathematische Zeitschrift},
     pages = {484--495},
     publisher = {mathdoc},
     volume = {40},
     year = {1936},
     zbl = {0012.29901},
     url = {http://geodesic.mathdoc.fr/item/MZ_1936__40_168622/}
}