1. B. A. Balanin, ?Study of the effect of the geometry of the outlet section on the flow regime in the chamber of a supersonic wind tunnel,? Vestnik LGU, no. 7, 1965.
2. B. A. Balanin, IFZh [Journal of Engineering Physics], no. 5, 1965.
3. B. A. Balanin, ?Propagation of a supersonic jet in a bounded space,? Vestnik LGU, no. 7, 1965.