\Bibitem{Mck83} \by J.~McKay \paper Graphs, singularities, and finite groups \jour Russian Math. Surveys \yr 1983 \vol 38 \issue 3 \mathnet{http://mi.mathnet.ru//eng/rm2866} \mathscinet{http://mathscinet.ams.org/mathscinet-getitem?mr=704640} \zmath{https://zbmath.org/?q=an:0517.05040}