%0 Journal Article %A Feireisl, Eduard %T Small time-periodic solutions to a nonlinear equation of a vibrating string %J Applications of Mathematics %D 1987 %P 480-490 %V 32 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/AM.1987.104278/ %R 10.21136/AM.1987.104278 %G en %F 10_21136_AM_1987_104278