@article{KYB_2001_37_5_a3,
     author = {Razzaghi, Mohsen and Ordokhani, Yadollah},
     title = {Solution for a classical problem in the calculus of variations via rationalized {Haar} functions},
     journal = {Kybernetika},
     pages = {575--583},
     year = {2001},
     volume = {37},
     number = {5},
     mrnumber = {1877075},
     zbl = {1265.49023},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_2001_37_5_a3/}
}