TY  - JOUR
AU  - R. J. Alonso-Blanco
AU  - D. Blázquez-Sanz
TI  - The Only Global Contact Transformations of Order Two or More are Point Transformations
JO  - Journal of Lie Theory
PY  - 2005
SP  - 135
EP  - 143
VL  - 15
IS  - 1
UR  - https://jolt.centre-mersenne.org/articles/10.5802/jolt.365/
DO  - 10.5802/jolt.365
ID  - JOLT_2005_15_1_a9
ER  -