@article{CC_2007_36_3_a17,
     author = {Ngai, Huynh Van and Th\'era, Michel},
     title = {\ensuremath{\varphi}-regular functions in {Asplund} spaces},
     journal = {Control and Cybernetics},
     pages = {755--774},
     publisher = {mathdoc},
     volume = {36},
     number = {3},
     year = {2007},
     zbl = {1168.49018},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CC_2007_36_3_a17/}
}