TY  - JOUR
AU  - M. M. Sysło
TI  - Generalizations of the standard travelling salesman problem
JO  - Applicationes Mathematicae
PY  - 1977
SP  - 621
EP  - 629
VL  - 16
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/am-16-4-621-629/
DO  - 10.4064/am-16-4-621-629
LA  - en
ID  - 10_4064_am_16_4_621_629
ER  -