TY - JOUR AU - B. L. Druzhinin TI - How to solve a third degree equation JO - Matematičeskoe obrazovanie PY - 2020 SP - 61 EP - 66 VL - 96 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MO_2020_96_4_a8/ LA - ru ID - MO_2020_96_4_a8 ER -