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@article{IM_1973__19_142191, author = {J.B. Walsh and R.T. Smythe}, title = {The {Existence} of {Dual} {Processes.}}, journal = {Inventiones mathematicae}, pages = {113--148}, publisher = {mathdoc}, volume = {19}, year = {1973}, zbl = {0243.60008}, url = {http://geodesic.mathdoc.fr/item/IM_1973__19_142191/} }
J.B. Walsh; R.T. Smythe. The Existence of Dual Processes.. Inventiones mathematicae, Tome 19 (1973), pp. 113-148. http://geodesic.mathdoc.fr/item/IM_1973__19_142191/