@article{10_21136_AM_1986_104220,
     author = {Raoult, Annie},
     title = {Non-polyconvexity of the stored energy function of a {Saint} {Venant-Kirchhoff} material},
     journal = {Applications of Mathematics},
     pages = {417--419},
     publisher = {mathdoc},
     volume = {31},
     number = {6},
     year = {1986},
     doi = {10.21136/AM.1986.104220},
     mrnumber = {0870478},
     zbl = {0608.73023},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/AM.1986.104220/}
}