Gilbert Baumslag
Gilbert Baumslag +; Benjamin Fine, Fairfield U., USA; Martin Kreuzer, U. Passau, Germany; Gerhard Rosenberger, U. Hamburg, Germany.
Gilbert Baumslag +; Benjamin Fine, Fairfield U., USA; Martin Kreuzer, U. Passau, Germany; Gerhard Rosenberger, U. Hamburg, Germany. See less
