@article{ZNSL_1977_70_a13,
     author = {K. V. Shakhbazyan and N. B. Lebedinskaya},
     title = {Optimal schedulings with gaps for independent jobs in a service system with~$N$ servers},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {205--231},
     year = {1977},
     volume = {70},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1977_70_a13/}
}