@article{10_14708_ma_v3i5_1184,
     author = {R. Bart{\l}omiejczyk and S. {\L}anowy},
     title = {Multistep schemes for one-point optimal iterative functions},
     journal = {Mathematica Applicanda},
     pages = { 61--67},
     publisher = {mathdoc},
     volume = {3},
     number = {5},
     year = {1975},
     doi = {10.14708/ma.v3i5.1184},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/ma.v3i5.1184/}
}