@article{IJAMCS_2019_29_4_a2,
     author = {Flores-Flores, Juan Pablo and Martinez-Guerra, Rafael},
     title = {PI observer design for a class of nondifferentially flat systems},
     journal = {International Journal of Applied Mathematics and Computer Science},
     pages = {655--665},
     publisher = {mathdoc},
     volume = {29},
     number = {4},
     year = {2019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IJAMCS_2019_29_4_a2/}
}