@article{10_4064_sm_32_2_149_152,
     author = {D. Przeworska-Rolewicz and S. Rolewicz},
     title = {On the control of linear periodic time lag systems},
     journal = {Studia Mathematica},
     pages = {149--152},
     publisher = {mathdoc},
     volume = {32},
     number = {2},
     year = {1969},
     doi = {10.4064/sm-32-2-149-152},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-32-2-149-152/}
}