@article{10_21136_AM_1969_103245,
     author = {Dole\v{z}al, V\'aclav},
     title = {A remark on energetic stability of feedback systems},
     journal = {Applications of Mathematics},
     pages = {345--354},
     publisher = {mathdoc},
     volume = {14},
     number = {5},
     year = {1969},
     doi = {10.21136/AM.1969.103245},
     mrnumber = {0255266},
     zbl = {0209.16201},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/AM.1969.103245/}
}