@article{10_4064_sm_92_1_1_19,
     author = {Johann Boos and Toivo Leiger},
     title = {General theorems of {Mazur-Orlicz} type},
     journal = {Studia Mathematica},
     pages = {1--19},
     publisher = {mathdoc},
     volume = {92},
     number = {1},
     year = {1989},
     doi = {10.4064/sm-92-1-1-19},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-92-1-1-19/}
}