00975nam0-22003251i-450-99000131517040332120140604142449.00-387-97411-3000131517FED01000131517(Aleph)000131517FED0100013151720001205d1991----km-y0itay50------baengExterior differential systemsR. L. Br yant, S.S. ChernNew York [etc.]Springer-Verlag1991VII, 475 p., 24 cmMathematical Sciences Research Institute publications18Equazioni differenziali parzialiSistemi differenziali esterni515.35Bryant,R.l.Chern,Shiing-Shen<1911-2004>ITUNINARICAUNIMARCBK990001315170403321C-38-(188204 bisMA1MA1Exterior differential systems382675UNINA