CALCULATION OF FORMULAS OF HOMOLOGOUS SERIES OF CHEMICAL COMPOUNDS (IN A GENERALIZED FORM): FIVE-COMPONENT SYSTEMS (Aa+ – Ff+ – [BrdDwb](r + w)bd+ – Cc–) AND (Li+ – Fe4+ – [Sr3La2]12+ – O2–)

The authors consider the growing role of transport corridors and logistics interaction between the RIC countries -Russia, India and China, which is especially becoming relevant in the light of the expansion of BRICS to the BRICS + format and India's attempt to build, together with the United States, its own logistics route between Africa, the Middle East and Europe.