@article{10_4153_CJM_2011_093_8,
     author = {Ingram, Patrick},
     title = {Cubic {Polynomials} with {Periodic} {Cycles} of a {Specified} {Multiplier}},
     journal = {Canadian journal of mathematics},
     pages = {318--344},
     year = {2012},
     volume = {64},
     number = {2},
     doi = {10.4153/CJM-2011-093-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2011-093-8/}
}