00560nam a2200181Ia 4500082002000000100002300020245007200043260002500115300002900140490004700169500000500216690000600221700000500227952010200232964001700334921001000351999001700361  a515.35bC626.BV  aClements, David L.  aBoundary value problems governed by second order elliptic systemsb  aBostonbPitmanc1981  aviii, 162p. Index, Bibl.  aMonographs and studies in Mathematicsv 12  a  a   a  00104070aISIbISId1998-09-22l0o515.35 C626.BVpDP17283r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a13159  c13159d13159