@article{AM2_1971__6_136213,
     author = {S.P. LIPSHITZ},
     title = {A {Solution} of the {'Converse} {Canonical} {Problem'} for {Multiple} {Integrals} in the {Calculus} of {Variations} {(Short} {Communication)}},
     journal = {Aequationes mathematicae},
     pages = {317--318},
     publisher = {mathdoc},
     volume = {6},
     year = {1971},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AM2_1971__6_136213/}
}