Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL "Gómez, A. (Alfredo) and Guerra, F. and Jiménez, M. A. and López, G. and Seminar on Approximation and Optimization and Universidad de La Habana and Academia de Ciencias de Cuba and Cuban Mathematical Society","Approximation and optimization : proceedings of the international seminar held in Havana, Cuba, Jan. 12-16, 1987",,Springer-Verlag,1988,Lecture notes in mathematics,,"3540504435,0387504435",,https://cir.nii.ac.jp/crid/1130282269385475200