@article{10_1090_S0894_0347_2010_00685_6,
     author = {Iwaniec, Tadeusz and Kovalev, Leonid and Onninen, Jani},
     title = {The {Nitsche} conjecture},
     journal = {Journal of the American Mathematical Society},
     pages = {345--373},
     publisher = {mathdoc},
     volume = {24},
     number = {2},
     year = {2011},
     doi = {10.1090/S0894-0347-2010-00685-6},
     url = {http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-2010-00685-6/}
}