Fuchs, L. Partially ordered algebraic systems / L. Fuchs - Oxford : Pergamon Press, 1963 - ix, 229 p. ; 22 cm. - International series of monographs on pure and applied mathematics ; v.28 . Bibliography: p. 215-224 ISBN: £ 2.90 Subjects--Topical Terms: Group theoryAlgebraic fields Dewey Class. No.: 512