00356nam a2200109Ia 4500008004100000082001700041100001800058245005900076260003600135300002000171440005500191260827b |||||||| |||| 00| 0 eng d a512bG297.PV aGeal, Jan Van aPlaces and valuation in non-commutative ring theoryb/ aNew York:bMarcel Dekker,c1981 aix, 112p. Index aLecture notes in Pure and Applied Mathematics ; 71