00379nam a2200121Ia 4500082001700000100004600017245005200063260004900115300001600164490004000180500000500220700003200225  a516bG855.DS  aGriffiths, Phillip A. and Jensen, Gary R.  aDifferential systems and isometric embeddingsb  aNew JerseybPrinceton University Pressc1987  a225p. Index  aAnnals of Mathematics studies v 11  a  aJensen, Gary R. ; jt. auth.