Карачун, В. В., and В. Н. Мельник. “Gaussian Curvature As Means for Reducing the Influence of Gipersonic Motion N-Wave on Sensor”. Eastern-European Journal of Enterprise Technologies, vol. 4, no. 7(64), July 2013, pp. 29-31, doi:10.15587/1729-4061.2013.16682.