@article{10_21136_CMJ_2019_0538_17,
     author = {Xu, Na and Tan, Ju},
     title = {Invariant harmonic unit vector fields on the oscillator groups},
     journal = {Czechoslovak Mathematical Journal},
     pages = {907--924},
     publisher = {mathdoc},
     volume = {69},
     number = {4},
     year = {2019},
     doi = {10.21136/CMJ.2019.0538-17},
     mrnumber = {4039609},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.2019.0538-17/}
}