@article{PORMA_1963__22_4_114912,
     author = {Morgado, Jos\'e},
     title = {Unitary analogue of a {Schemmel's} function},
     journal = {Portugaliae mathematica},
     pages = {215--233},
     publisher = {mathdoc},
     volume = {22},
     number = {4},
     year = {1963},
     zbl = {0122.05301},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1963__22_4_114912/}
}