@article{10_4064_cm_3_1_33_36,
     author = {A. Janiczak},
     title = {On the reducibility of decision problems},
     journal = {Colloquium Mathematicum},
     pages = {33--36},
     publisher = {mathdoc},
     volume = {3},
     number = {1},
     year = {1954},
     doi = {10.4064/cm-3-1-33-36},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-3-1-33-36/}
}