@article{ZR_1977_2_10_a4,
     author = {Georg Kreisel},
     title = {From {Foundations} to {Science:} {Justifying} and {Unwinding} {Proofs}},
     journal = {Zbornik radova},
     pages = {63 },
     publisher = {mathdoc},
     volume = {2},
     number = {10},
     year = {1977},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZR_1977_2_10_a4/}
}