Tkach, V., de Oliveira, S., Ojani, R., Yagodynets, P. and Páramo-García, U. 2016. The mathematical stability study for the system of the CoO(OH) – overoxidized polypyrrole composite synthesis in the presence of fluor ions. Mongolian Journal of Chemistry. 16, (Mar. 2016), 13–17. DOI:https://doi.org/10.5564/mjc.v16i0.663.