@article{AM2_1983__26_137006,
     author = {I.M. Snyman},
     title = {On the transversal distribution and the complete figure in the second order multiple integral problem in the calculus of variations.},
     journal = {Aequationes mathematicae},
     pages = {316--317},
     publisher = {mathdoc},
     volume = {26},
     year = {1983},
     zbl = {0558.49021},
     url = {http://geodesic.mathdoc.fr/item/AM2_1983__26_137006/}
}