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Zouhair Diab
Department of Mathematics and Computer Science,
Larbi Tebessi UniversityTebessa, Algeria
M. Teresa de Bustos
Department of Applied Mathematics,
University of SalamancaSpain
Miguel A. López
SIDIS Research Group, Department of Mathematics, Institute of Applied Mathematics in Science and Engineering (IMACI), Polytechnic School of Cuenca,
University of Castilla-La ManchaCuenca, Spain
Raquel Martínez
SIDIS Research Group, Department of Mathematics, Institute of Applied Mathematics in Science and Engineering (IMACI), Polytechnic School of Cuenca,
University of Castilla-La ManchaCuenca, Spain