Design basis development for centrifugal turbo machines with a coaxial impellers location for mining-and-metallurgical industry conditionsS.V. Podbolotov, A.D. Kolga, B.M. Gabbasov and A.I. KurochkinMATEC Web Conf., 298 (2019) 00061DOI: https://doi.org/10.1051/matecconf/201929800061