@article{10_14708_cm_v14i1_5690,
     author = {M. Altman},
     title = {A generalized gradient method of minimizing a functional},
     journal = {Commentationes Mathematicae},
     pages = { 75--77},
     publisher = {mathdoc},
     volume = {14},
     number = {1},
     year = {1970},
     doi = {10.14708/cm.v14i1.5690},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v14i1.5690/}
}