1. Aleksandrov, A., Kolmogorov, A., & Laurentiev, M. 1963, Mathematics: Its Content, Methods, and Meaning (MIT Press)
2. Mean Magnetic Field Generation in Sheared Rotators
3. Exact evaluation of the effect of an arbitrary mean flow in kinematic dynamo theory
4. Krause, F., & Rädler, K.-H. 1980, Mean-field magnetohydrodynamics and dynamo theory (Akademie-Verlag, Berlin)