@Article{150141,
     author = "Bogdan Bojarski",
     title = "State and trends of development of mathematical sciences ",
     year =  1985 (wyd. 1986-1987),
     volume =  4,
     number =  2,
     journal =  Acta Academiae Scientiarum Polonae,
     pages =  s. 3-13,
    }