1.
REPE╚śCO V. CANONICAL FORMS OF CUBIC DIFFERENTIAL SYSTEMS WITH REAL INVARIANT STRAIGHT LINES OF TOTAL MULTIPLICITY SEVEN ALONG ONE DIRECTION. ActaEX [Internet]. 2018Dec.20 [cited 2021Oct.20];6(2):124-32. Available from: https://revista.ust.md/index.php/acta_exacte/article/view/373