Voir la notice de l'article provenant de la source Hellenic Digital Mathematics Library
@article{EUG_1995__43_a1, author = {Vangelis Th. Paschos}, title = {Studying graph - stability to apprehend relative hardness of constructive-non-constructive approximation}, journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma} }, pages = {37-54}, publisher = {mathdoc}, volume = {43}, year = {1995}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/EUG_1995__43_a1/} }
Vangelis Th. Paschos. Studying graph - stability to apprehend relative hardness of constructive-non-constructive approximation. Ευκλείδης Γ , Tome 43 (1995), p. 37-54. http://geodesic.mathdoc.fr/item/EUG_1995__43_a1/