@article{10_4064_sm_59_2_139_153,
     author = {M. Becker and P. Butzer and R. Nessel},
     title = {Saturation for {Farvard} operators in weighted function spaces},
     journal = {Studia Mathematica},
     pages = {139--153},
     publisher = {mathdoc},
     volume = {59},
     number = {2},
     year = {1976},
     doi = {10.4064/sm-59-2-139-153},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-59-2-139-153/}
}