Serovajsky, S. Y., Azimov, A. A., Kenzhebayeva, M. O., Nurseitov, D. B., Nurseitova, A. T., & Sigalovskiy, M. A. (2019). Mathematical problems of gravimetry and its applications. International Journal of Mathematics and Physics, 10(1), 29–35. https://doi.org/10.26577/ijmph-2019-i1-4