TY - JOUR AU - Gilbert, N. D. AU - Higgins, P. J. TI - The non-abelian tensor product of groups and related constructions JO - Glasgow mathematical journal PY - 1989 SP - 17 EP - 29 VL - 31 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500007515/ DO - 10.1017/S0017089500007515 ID - 10_1017_S0017089500007515 ER -