00988nam a2200289 i 450099100122146970753620020507185505.0960707s1975 uk ||| | eng 0521205832b10817542-39ule_instLE01308909ExLDip.to Matematicaeng515.353AMS 35-XXCopson, E. T.13087Partial differential equations /E. T. CopsonCambridge :Cambridge University Press,1975vii, 280 p. ;24 cm.Bibliography: p. 277.Includes indexPartial differential equations.b1081754221-09-0628-06-02991001221469707536LE013 35-XX COP11 (1975)12013000052878le013-E0.00-l- 01010.i1092426728-06-02Partial differential equations348785UNISALENTOle01301-01-96ma -enguk 01