Rank analogues of Hall's and Baer's theorems. Makarenko, N.Yu. (2000) Sibirskij Matematicheskij Zhurnal
Rational Lie Algebras and p-Isomorphisms of Nilpotent Groups and Homotopy Types. Joseph Roitberg (1975) Commentarii mathematici Helvetici
Rational Representations of Finite Groups and Their Euler Class. B. Eckmann, G. Mislin (1979) Mathematische Annalen
Representations of automorphisms on differentials of function fields of characteristic p. Robert C. Valentini (1982) Journal für die reine und angewandte Mathematik
Representations of p-groups at characteristic p l G. PAZDERSKI (1980) Beiträge zur Algebra und Geometrie = Contributions to algebra and geometry