TY - BOOK ID - 146134013 TI - On a routing problem in a graph with two types of costs associated with the edges PY - 1973 PB - Tampere : Tampereen Ylioposto, DB - UniCat KW - Graphes, theorie des KW - Graphes, theorie des UR - https://www.unicat.be/uniCat?func=search&query=sysid:146134013 AB - ER -