@article { ,
	title = {Some Computational Problems of Scheduling Dependent and Preemptible Tasks to Minimize Schedule Length},
	journal = {Foundations of Control Engineering Vol. 1, No. 2},
	year = {1976},
	month = {01/1976},
	pages = {75-82},
	type = {article},
	author = {Jacek B{\l}a{\.z}ewicz and Wojciech Cellary}
}
