Petrila, Titus, and Damian Trif. “Correction in the Dominant Space Method for the Heat Equation”.
Rev. Anal. Numér. Théor. Approx. 24, no. 1 (August 1, 1995): 221–224. Accessed April 17, 2025.
https://ictp.acad.ro/jnaat/journal/article/view/1995-vol24-nos1-2-art24.