Kucera, Petr; Jarkovska, Martina - In: AGRIS on-line Papers in Economics and Informatics 2 (2010) 4
While transporting some material a circular way of the transportation is usually applied. Usually due to some capacity or time constraints or other reasons it is necessary to use more routes (i.e. more vehicles, or one vehicle must go out from its home place more times). This case is called the...