. . . "Mathematicians of our time. 24, Number theory, invariants, and applications" . . . . . "Collected papers. 2. Number theory, invariants, and applications. - 1986. - XXV, 952 S" . "Collected papers. 2, Number theory, invariants, and applications" . . . . . "Collected papers / Vol. 2, Number theory, invariants, and applications" . . . "Invariants." . . "Numbers, Theory of." . . "Kombinatorik." . . . . "Invariantentheorie." . . "Zahlentheorie." . .