@article{107291, author = {J\'an Fut\'ak}, title = {On boundedness and stability of solutions of nonlinear second order differential equations in Hilbert spaces}, journal = {Archivum Mathematicum}, volume = {023}, year = {1987}, pages = {147-154}, zbl = {0634.34046}, mrnumber = {930317}, language = {en}, url = {http://dml.mathdoc.fr/item/107291} }
Futák, Ján. On boundedness and stability of solutions of nonlinear second order differential equations in Hilbert spaces. Archivum Mathematicum, Tome 023 (1987) pp. 147-154. http://gdmltest.u-ga.fr/item/107291/
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