@Article{zbMATH03108321,
Author = {L. C. {Young}},
Title = {{Generalized surfaces in the calculus of variations}},
FJournal = {{Annals of Mathematics. Second Series}},
Journal = {{Ann. Math. (2)}},
ISSN = {0003-486X; 1939-8980/e},
Volume = {43},
Pages = {84--103},
Year = {1942},
Publisher = {Princeton University, Mathematics Department, Princeton, NJ},
Language = {English},
Zbl = {0063.09081}
}