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MINIMA OF FUNCTIONS ON (Q1, Q2)-QUASIMETRIC SPACES СтатьяSengupta R., Zhukovskiy S.E.Eurasian Mathematical Journal. Том 10. 2019. С. 84-92
ON FIXED POINTS OF CONTRACTION MAPS ACTING IN (Q 1 ; Q 2 )-QUASIMETRIC SPACES AND GEOMETRIC PROPERTIES OF THESE SPACES СтатьяSengupta R.Eurasian Mathematical Journal. Том 8. 2017. С. 70-76