TY  - RPRT
TI  - Singularity perturbed zero dynamics of nonlinear systems
AU  - Isidori, A.
AU  - Sastry, S. S.
AU  - Kokotovic, P. V.
AU  - Byrnes, C. I.
PY  - 1992
UR  - https://ntrs.nasa.gov/citations/19930033374
ID  - 19930033374
ER  -