Nicholson, W. KeithSpringer, Helen Jean2005-07-192005-07-19197582480944http://hdl.handle.net/1880/13761Bibliography: p. 55.x, 55 leaves ; 30 cm.engUniversity of Calgary graduate students retain copyright ownership and moral rights for their thesis. You may use this material in any way that is permitted by the Copyright Act or through licensing that has been assigned to the document. For uses that are not allowable under copyright legislation or licensing, you are required to seek permission.QA 251.3 S66 1975 MicroficheCommutative ringsGroup ringsRings (Algebra)Commutativity and characterisation of certain rings with solvable, hamiltonian or abelian groups of unitsdoctoral thesis10.11575/PRISM/21090QA 251.3 S66 1975 Microfiche