@article{10_14708_ma_v15i29_1691,
     author = {Ryszard Walkowiak},
     title = {Estimation of linear parametric functions in multiresponse models},
     journal = {Mathematica Applicanda},
     pages = { 73--91},
     publisher = {mathdoc},
     volume = {15},
     number = {29},
     year = {1987},
     doi = {10.14708/ma.v15i29.1691},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/ma.v15i29.1691/}
}