@article{NUMA_1970__15_131972,
     author = {H. RUND},
     title = {The {Reduction} of {Certain} {Boundary} {Value} {Problems} to {Variational} {Problems} by {Means} of {Transversality} {Conditions.}},
     journal = {Numerische Mathematik},
     pages = {49--56},
     publisher = {mathdoc},
     volume = {15},
     year = {1970},
     zbl = {0181.38701},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1970__15_131972/}
}