00523nam a2200181Ia 4500082002000000100001700020245003800037260003500075300002200110490004700132500000500179690000600184700000500190952010200195964001700297921001000314999001700324  a515.35bB626.RP  aBjork, J. E.  aRings of differential operatorsb  aAmsterdambNorth-Hollandc1979  axvii, 374p. Index  aNorth-Holland Mathematical libraryv v. 21  a  a   a  00104070aISIbISId1998-09-22l0o515.35 B626.RPpDP17246r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a13014  c13014d13014