Gunter Stein, George N. Saridis. A parameter-adaptive control technique. Automatica, 5(6):731-739, 1969. [doi]
@article{SteinS69,
title = {A parameter-adaptive control technique},
author = {Gunter Stein and George N. Saridis},
year = {1969},
doi = {10.1016/0005-1098(69)90086-7},
url = {http://dx.doi.org/10.1016/0005-1098(69)90086-7},
researchr = {https://researchr.org/publication/SteinS69},
cites = {0},
citedby = {0},
journal = {Automatica},
volume = {5},
number = {6},
pages = {731-739},
}