@article{CRMATH_2004__338_7_561_0,
     author = {Moroianu, Andrei and Ornea, Liviu},
     title = {Eigenvalue estimates for the {Dirac} operator and harmonic 1-forms of constant length},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {561--564},
     publisher = {Elsevier},
     volume = {338},
     number = {7},
     year = {2004},
     doi = {10.1016/j.crma.2004.01.030},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2004.01.030/}
}