Parasyuk ОS, VirchenkoNO. Briefly about scientific heritage of M. Kravchuk, Member of the Academy of Sciences of Ukraine. Ukr. Mat. Zhurn. [Internet]. 1992Aug.3 [cited 2024Sep.1];44(7):860-79. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/8119