TY  - JOUR
AU  - Lutz, Bob
TI  - Higher discrete homotopy groups of graphs
JO  - Algebraic Combinatorics
PY  - 2021
SP  - 69
EP  - 88
VL  - 4
IS  - 1
PB  - MathOA foundation
UR  - https://alco.centre-mersenne.org/articles/10.5802/alco.151/
DO  - 10.5802/alco.151
LA  - en
ID  - ALCO_2021__4_1_69_0
ER  -