@article{10_4064_aa_91_1_75_83,
     author = {A. Rotkiewicz},
     title = {Periodic sequences of pseudoprimes connected with {Carmichael} numbers and the least period of the function $l^C_x$},
     journal = {Acta Arithmetica},
     pages = {75--83},
     publisher = {mathdoc},
     volume = {91},
     number = {1},
     year = {1999},
     doi = {10.4064/aa-91-1-75-83},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-91-1-75-83/}
}