@article{KYB_1999_35_6_a9,
     author = {Jetto, Leopoldo},
     title = {On the optimality of a new class of {2D} recursive filters},
     journal = {Kybernetika},
     pages = {777--792},
     year = {1999},
     volume = {35},
     number = {6},
     mrnumber = {1747976},
     zbl = {1274.93261},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1999_35_6_a9/}
}