@article{10_14708_wm_v50i1_656,
     author = {Henryk Hudzik and Grzegorz Mielczarek and Ryszard P{\l}uciennik},
     title = {Ryszard {Grz\k{a}\'slewicz} (1953{\textendash}2005)},
     journal = {Wiadomo\'sci Matematyczne},
     pages = { 85--99},
     year = {2014},
     volume = {50},
     number = {1},
     doi = {10.14708/wm.v50i1.656},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/wm.v50i1.656/}
}