@article{10_21136_CMJ_1976_101416,
     author = {Bart\'ak, Jaroslav},
     title = {Lyapunov stability and stability at constantly acting disturbances of an abstract differential equation of the second order},
     journal = {Czechoslovak Mathematical Journal},
     pages = {411--437},
     publisher = {mathdoc},
     volume = {26},
     number = {3},
     year = {1976},
     doi = {10.21136/CMJ.1976.101416},
     mrnumber = {0415017},
     zbl = {0343.34047},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1976.101416/}
}