Kirtland, Joseph _ Complementation of normal subgroups in finite groups - Berlin ; Boston De Gruyter 2017 - xii, 144p. HB 24cm. Includes bibliographical references and index. ISBN: 9783110478792 Subjects--Personal Names: _ Subjects--Uniform Titles: MathematicsFinite groupsFinite group theory Dewey Class. No.: 512.23 / KIR