@Article{392103,
     author = "Józef Zieliński",
     title = "Legacja Piotra z Kapii do Czech i Polski w r. 1197",
     year =  1957,
     volume =  28,
     number =  3-4,
     journal =  Collectanea Theologica,
     pages =  s. 576-597,
    }