@article{10_4064_sm_140_2_117_139,
     author = {Antonio Attalienti and Michele },
     title = {Degenerate evolution problems and {Beta-type} operators},
     journal = {Studia Mathematica},
     pages = {117--139},
     publisher = {mathdoc},
     volume = {140},
     number = {2},
     year = {2000},
     doi = {10.4064/sm-140-2-117-139},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-140-2-117-139/}
}