@article{10_4064_am_9_3_253_259,
     author = {J. A. Czekajewski and W. A. Woyczy\'nski},
     title = {A real-time method for fast determination of the fundamental frequency},
     journal = {Applicationes Mathematicae},
     pages = {253--259},
     publisher = {mathdoc},
     volume = {9},
     number = {3},
     year = {1966},
     doi = {10.4064/am-9-3-253-259},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am-9-3-253-259/}
}