by Boichuk, O.A, Feru, V.A
Published in Journal of mathematical sciences (New York, N.Y.) (09.05.2020)

by Pandey, R. K.
Published in International journal of computer mathematics (01.01.2002)

Published in Electronic journal of mathematical analysis and applications (01.01.2021)

by Griepentrog, J. A., Gröger, K., Kaiser, H.-Chr, Rehberg, J.
Published in Mathematische Nachrichten (01.07.2002)

by Antman, Stuart S.
Published in Archive for rational mechanics and analysis (01.12.1976)

by Kerimov, M. K.
Published in Computational mathematics and mathematical physics (01.11.2011)

by Gatica, J.A, Oliker, Vladimir, Waltman, Paul
Published in Journal of Differential Equations (01.05.1989)

by Nieto, Juan J., O'Regan, Donal
Published in Boundary value problems (2009)

by Erdelyi, A.
Published in Journal of the Society for Industrial and Applied Mathematics (01.03.1963)

by O'Regan Donal, Nieto JuanJ
Published in Boundary value problems (01.01.2009)

by Kiguradze, I. T., Shekhter, B. L.
Published in Journal of Soviet Mathematics (01.10.1988)

by Kunkel, Curtis J.
Published in Electronic journal of qualitative theory of differential equations (01.01.2009)

by Yao, Qing-Liu
Published in Zhejiang da xue xue bao. Journal of Zhejiang University. Sciences edition. Li xue ban (01.09.2010)

by Godunov, S. K., Gordienko, V. M.
Published in Siberian mathematical journal (01.07.1989)

by Auzinger, Winfried, Kneisl, Günter, Koch, Othmar, Weinmüller, Ewa
Published in Numerical algorithms (01.08.2003)

by Liu, Zhonghua, Ding, Youzheng, Liu, Chengwei, Zhao, Caiyi
Published in Advances in difference equations (21.02.2020)

Published in The Rocky Mountain journal of mathematics (01.12.1976)

by Methi, G., Kumar, A., Rebenda, J.
Published in Journal of Mathematics and Computer Science (2023)

by Yakovlev, M. N.
Published in Journal of mathematical sciences (New York, N.Y.) (01.01.2006)

by Yakovlev, M. N.
Published in Journal of mathematical sciences (New York, N.Y.) (01.03.2007)