@article{BUMI_2006_8_9B_1_a8,
     author = {Grzegorz, Nowak},
     title = {Inverse results for generalized {Favard-Kantorovich} and {Favard-Durrmeyer} operators in weighted function spaces},
     journal = {Bollettino della Unione matematica italiana},
     pages = {183--195},
     publisher = {mathdoc},
     volume = {Ser. 8, 9B},
     number = {1},
     year = {2006},
     zbl = {1150.41016},
     mrnumber = {2204906},
     language = {it},
     url = {https://geodesic-test.mathdoc.fr/item/BUMI_2006_8_9B_1_a8/}
}