1. Ackoff R. The Art of Solving Problems. Moscow (2012). Book on request
2. Ackoff R. Creating the Corporate Future. Moscow (1985). Economika
3. Yegorkina, T.A.: Methods of planning expenditures of the main type of activity of an industrial enterprise. Bus. Inform. 7, 247–252 (2013)
4. Yekutech, A.D., Yekutech, T.D., Loginov, A.Y., Sinkovetz I.A., Fedoseeva, Y.N.: The system’s problems in management of enterprises of fuel and energy complex Russia. Econo. Math. Meth. 44, 114–118 (2008)
5. Zatonskiy, A.V., Sirotina, N.A.: Prediction of economic system based on regression model with differential equation. Econo. Math. Meth. 50, 91–99 (2014)