Differential geometry and mathematical physics : AMS-CMS special session on geometric methods in mathematical physics, August 15-19, 1993, Vancouver, British Columbia, Canada. / John K. Beem, Krishan L. Duggal, editors.
Differential geometry and mathematical physics : AMS-CMS special session on geometric methods in mathematical physics, August 15-19, 1993, Vancouver, British Columbia, Canada. / John K. Beem, Krishan L. Duggal, editors.