Peddapullaiah Sannuti, Petar V. Kokotovic. Singular perturbation method for near optimum design of high-order non-linear systems. Automatica, 5(6):773-779, 1969. [doi]
@article{SannutiK69,
title = {Singular perturbation method for near optimum design of high-order non-linear systems},
author = {Peddapullaiah Sannuti and Petar V. Kokotovic},
year = {1969},
doi = {10.1016/0005-1098(69)90090-9},
url = {http://dx.doi.org/10.1016/0005-1098(69)90090-9},
researchr = {https://researchr.org/publication/SannutiK69},
cites = {0},
citedby = {0},
journal = {Automatica},
volume = {5},
number = {6},
pages = {773-779},
}