@article{10_4064_sm_114_2_147_158,
     author = {J. Friedrich},
     title = {On reduction of two-parameter prediction problems},
     journal = {Studia Mathematica},
     pages = {147--158},
     publisher = {mathdoc},
     volume = {114},
     number = {2},
     year = {1995},
     doi = {10.4064/sm-114-2-147-158},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-114-2-147-158/}
}