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@article{MZ_1984__187_173478, author = {H-O. Peitgen and A.J. Tromba}, title = {Unfolding {Bifucations} of an {Elliptic} {Boundary} {Value} {Problem.}}, journal = {Mathematische Zeitschrift}, pages = {145--150}, publisher = {mathdoc}, volume = {187}, year = {1984}, zbl = {0526.35011}, url = {http://geodesic.mathdoc.fr/item/MZ_1984__187_173478/} }
H-O. Peitgen; A.J. Tromba. Unfolding Bifucations of an Elliptic Boundary Value Problem.. Mathematische Zeitschrift, Tome 187 (1984), pp. 145-150. http://geodesic.mathdoc.fr/item/MZ_1984__187_173478/