Oystaeyen F Van Relative invariants of rings: The noncommutative theory - New York Marcel Dekker 1984 - xii, 286p. cm. - Monographs and textbooks in pure and applied mathematics; 86 . Bibliography 270-279p. Standard No.: 19988 Source: Textual Subjects--Topical Terms: InvariantsNoncommutative rings Dewey Class. No.: B239MR, M4