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@article{MOMA_1970__74_177526, author = {L.V. Toralballa}, title = {A {Geometric} {Theory} of {Surface} {Area.}}, journal = {Monatshefte f\"ur Mathematik}, pages = {462--476}, publisher = {mathdoc}, volume = {74}, year = {1970}, zbl = {0224.50002}, url = {http://geodesic.mathdoc.fr/item/MOMA_1970__74_177526/} }
L.V. Toralballa. A Geometric Theory of Surface Area.. Monatshefte für Mathematik, Tome 74 (1970), pp. 462-476. http://geodesic.mathdoc.fr/item/MOMA_1970__74_177526/