@article{10_14708_ma_v26i40_1854,
     author = {Adam Czornik},
     title = {Optimal control for a nonstationary linear system with a quadratic cost functional},
     journal = {Mathematica Applicanda},
     pages = { 3--11},
     publisher = {mathdoc},
     volume = {26},
     number = {40},
     year = {1997},
     doi = {10.14708/ma.v26i40.1854},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/ma.v26i40.1854/}
}