Cyclic presentations of the trivial group. Edjvet, Martin, Hammond, Paul, Thomas, Nathan (2001) Experimental Mathematics
Cyclic projective planes and Wada dessins. Streit, Manfred, Wolfart, Jürgen (2001) Documenta Mathematica
Cyclic quasinormal subgroups of arbitrary groups Stewart E. Stonehewer, Giovanni Zacher (2006) Rendiconti del Seminario Matematico della Università di Padova
Cyclic subgroup separability of certain HNN extensions. Wong, Peng Choon, Gan, Hui Woan (1999) Bulletin of the Malaysian Mathematical Society. Second Series
Cyclicity in a special class of hypergroups Thomas N. Vougiouklis (1981) Acta Universitatis Carolinae. Mathematica et Physica
Cyclotomic equations and square properties in rings. Fine, Benjamin (1986) International Journal of Mathematics and Mathematical Sciences