@article{RSMUP_1995__94__11_0,
     author = {Ferreira, Maria J. and Rigoli, Marco and Tribuzy, Renato},
     title = {An extension of a result of {H.} {Hopf} to {K\"ahler} submanifolds of $\mathbb {R}^n$},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {11--15},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {94},
     year = {1995},
     mrnumber = {1370898},
     zbl = {0849.53042},
     language = {en},
     url = {http://www.numdam.org/item/RSMUP_1995__94__11_0/}
}