BerezanskyY. M., VereikinaM. B., KolyadaS. F., RomanenkoO. Y., SivakA. G. and FedorenkoV. V. (1996) “Aleksandr Nikolaevich Sharkovsky (on his 60th birthday)”, Ukrains’kyi Matematychnyi Zhurnal, 48(12), pp. 1602-1603. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/5183 (Accessed: 6October2024).