1 - Projective geometry. Volume IVeblen, Oswald (1880-1960) / Young, John Wesley (1879-1932)Cote : [60 VEB 1910-1]
2 - Projective geometry. Volume IIVeblen, Oswald (1880-1960) / Young, John Wesley (1879-1932)Cote : [60 VEB 1918-2]