@article{KYB_1989__25_1_a5,
     author = {Umesh, R. M.},
     title = {Conditions for a constrained system to have a set of impulse energy measures},
     journal = {Kybernetika},
     pages = {45--59},
     publisher = {mathdoc},
     volume = {25},
     number = {1},
     year = {1989},
     mrnumber = {987857},
     zbl = {0666.93017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1989__25_1_a5/}
}