01107nam a2200337 i 450099100130759970753620020507191051.0960516s1979 ne ||| | eng 0444852921b10829441-39ule_instLE01310265ExLDip.to Matematicaeng515.724AMS 16S32AMS 32C38AMS 35A27AMS 58G07Bjork, Jan-Erik48456Rings of differential operators /J. -E. BjorkAmsterdam :North-Holland,1979xvii, 374 p. ;23 cm.North-Holland mathematical library ;21Includes bibliographies and indexDifferential operatorsRings.b1082944123-02-1728-06-02991001307599707536LE013 16S BJO11 (1979)12013000048017le013-E0.00-l- 00000.i1093780828-06-02Rings of differential operators82985UNISALENTOle01301-01-96ma -engne 01