For citations:

Abdurakhmanov G.M., Monakhova G.A., Aldabaev A.A., Akhmedova G.A. The Caspian Sea borders in accordance with the basin principle. South of Russia: ecology, development. 2008;3(4):153-156. (In Russ.) https://doi.org/10.18470/1992-1098-2008-4-153-156