@article{NSJOM_2002_32_1a_12,
     author = {B. de 

 Malafosse},
     title = {Variation of an element in the matrix of the first difference operator and 

 matrix transformations},
     journal = {Novi Sad Journal of Mathematics},
     pages = {141-158},
     publisher = {mathdoc},
     volume = {32},
     number = {1},
     year = {2002},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_2002_32_1a_12/}
}