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REPE╚śCO V. CUBIC SYSTEMS WITH SEVEN INVARIANT STRAIGHT LINES ALONG ONE DIRECTION, WHEN SOME STRAIGHT LINES ARE COMPLEX CONJUGATE. ActaEX [Internet]. 2020Jan.28 [cited 2021Jun.22];8(2):70-5. Available from: https://revista.ust.md/index.php/acta_exacte/article/view/515