Kamont, Z., and W. Czernous. “Method of Lines for Quasilinear Functional Differential Equations”.
Ukrains’kyi Matematychnyi Zhurnal
, vol. 65, no. 10, Oct. 2013, pp. 1363–1387,
https://umj.imath.kiev.ua/index.php/umj/article/view/2515
.