00620nam a2200181Ia 4500082002000000100004600020245006600066260003500132300002700167490005200194500000500246690000600251700003500257952010200292964001700394921001000411999001700421  a515.35bG465.FO  aGilbert, Robert P. and Buchanan, James L.  aFirst order elliptic systems; a function theoretic approachb  aNew YorkbAcademic Pressc1983  axi, 281p. Index, Bibl.  aMathematics in Science and Engineeringv v. 163  a  a   aBuchanan, James L. ; jt. auth.  00104070aISIbISId1998-09-23l0o515.35 G465.FOpDP18738r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a13574  c13574d13574