Adrianov, N. M.; Kochetkov, Yu. Yu.; Suvorov, A. D. Plane trees with special primitive edge rotation groups. (Russian. English summary) Zbl 0928.20002 Fundam. Prikl. Mat. 3, No. 4, 1085-1092 (1997). MSC: 20B25 05C25 20B15 05C05 20D05 12F10 PDFBibTeX XMLCite \textit{N. M. Adrianov} et al., Fundam. Prikl. Mat. 3, No. 4, 1085--1092 (1997; Zbl 0928.20002)
Adrianov, N. M.; Kochetkov, Yu. Yu.; Suvorov, A. D.; Shabat, G. B. Mathieu groups and plane trees. (Russian. English summary) Zbl 0868.20015 Fundam. Prikl. Mat. 1, No. 2, 377-384 (1995); correction ibid 2, No. 1, 317 (1996). MSC: 20D08 05C25 51E24 05C05 PDFBibTeX XMLCite \textit{N. M. Adrianov} et al., Fundam. Prikl. Mat. 1, No. 2, 377--384 (1995; Zbl 0868.20015)