http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Non-commutative Calculus and Pilgerschritt transformation
LIEDL, Roman: -- Non-commutative Calculus and Pilgerschritt -- transformation. - Innsbruck:(Univ.,Inst.f. -- Math.)1979. 6 gez.Bl. 4° -- 1982:4458. Lei.