01276nam a2200349 i 450099100128676970753620020507113904.0970308s1978 us ||| | eng 067700270X52200b10199469-39ule_instLE00645237ExLDip.to Fisicaita510.22510.35515'.353QA374.P64Pommaret, J.F.338072Systems of partial differential equations and Lie pseudogroups /J.F. Pommaret ; with a preface by André LichnerowiczNew York :Gordon and Breach Science Publishers,c1978xiv, 411 p. ;24 cm.Mathematics and its applications ;14Includes bibliography and index.Differential equations, PartialLie groupsPseudogroupsLichnerowicz, André.b1019946917-02-1727-06-02991001286769707536LE006 510.35 POM12006000021999le006-E0.00-l- 00000.i1024631927-06-02Systems of partial differential equations and Lie pseudogroups190881UNISALENTOle00601-01-97ma -engus 01