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@article{MOMA_1972__76_177581, author = {L.V. Toralballa}, title = {A {Geometric} {Theory} of {Surface} {Area.}}, journal = {Monatshefte f\"ur Mathematik}, pages = {66--77}, publisher = {mathdoc}, volume = {76}, year = {1972}, zbl = {0239.50002}, url = {http://geodesic.mathdoc.fr/item/MOMA_1972__76_177581/} }
L.V. Toralballa. A Geometric Theory of Surface Area.. Monatshefte für Mathematik, Tome 76 (1972), pp. 66-77. http://geodesic.mathdoc.fr/item/MOMA_1972__76_177581/