@article{IJAMCS_2012_22_2_a6,
     author = {Duda, J.},
     title = {A {Lyapunov} functional for a system with a time-varying delay},
     journal = {International Journal of Applied Mathematics and Computer Science},
     pages = {327--337},
     publisher = {mathdoc},
     volume = {22},
     number = {2},
     year = {2012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IJAMCS_2012_22_2_a6/}
}