@article{ARM_2005_41_1_a5,
     author = {Chen, Qun and Zhou, Zhen-Rong},
     title = {Gap properties of harmonic maps and submanifolds},
     journal = {Archivum mathematicum},
     pages = {59--69},
     year = {2005},
     volume = {41},
     number = {1},
     mrnumber = {2142143},
     zbl = {1112.58013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_2005_41_1_a5/}
}