The complete figure for second order multiple integral problems in the calculus of variations. (Short Communication).
Grässer, H.S.P.
Aequationes mathematicae, Tome 14 (1976), p. 238-239 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1976-01-01
EUDML-ID : urn:eudml:doc:136578 
@article{GDZPPN002029405,
     title = {The complete figure for second order multiple integral problems in the calculus of variations. (Short Communication).},
     journal = {Aequationes mathematicae},
     volume = {14},
     year = {1976},
     pages = {238-239},
     zbl = {0348.49016},
     url = {http://dml.mathdoc.fr/item/GDZPPN002029405}
}

Grässer, H.S.P. The complete figure for second order multiple integral problems in the calculus of variations. (Short Communication).. Aequationes mathematicae, Tome 14 (1976) pp. 238-239. http://gdmltest.u-ga.fr/item/GDZPPN002029405/