@Article{383886,
     author = "Jan Stepa",
     title = "Pewne kwestje z diedziny teorji poznania = Observationes ad theoriam cognitionis spectantes",
     year =  1931,
     volume =  12,
     number =  2-3,
     journal =  Collectanea Theologica,
     pages =  s. 255-257,
    }