1. Agadzhanov, A.N.: Singular functions that do not have intervals of monotonicity in problems of finite control of distributed systems. Rep. Acad. Sci. 454(5), 503–506 (2014) (in Russian)
2. Albeverio, S., Baranovskyi, O., Kondratiev, Y., Pratsiovytyi, M.: On one class of functions related to Ostrogradsky series and containing singular and nowhere monotonic functions. Sci. J. Natl. Pedagogical Dragomanov Univ. Serya 1. Phys. Math. Sci. 15, 35–55 (2013) (National Pedagogical Dragomanov University, Kiev)
3. Bernstein, D.: Algorithmic Definitions of Singular Functions. Davidson College, Davidson (2013)
4. Freilich, G.: Increasing continuous singular functions. Am. Math. Mon. 80, 918–919 (1973)
5. Gelbaum, R.B., Olmsted, J.M.H.: Counterexamples in Analysis. HoldenDay, San Francisco (1964)