HentoshО. Y., PritulaN. N. and PrykarpatskyY. A. (2018) “Differential-geometric structure and the Lax – Sato integrability of a class of dispersionless heavenly type equations”, Ukrains’kyi Matematychnyi Zhurnal, 70(2), pp. 293-297. Available at: http://umj.imath.kiev.ua/index.php/umj/article/view/1557 (Accessed: 2December2020).