@article{MZ_1970__114_171293, author = {Abul Maksud Sayied}, title = {Galois {Theory} for the {Family} of {Partial} {Differential} {Equations} ...... = 0.}, journal = {Mathematische Zeitschrift}, pages = {22--32}, publisher = {mathdoc}, volume = {114}, year = {1970}, url = {http://geodesic.mathdoc.fr/item/MZ_1970__114_171293/} }