@article{10_4064_fm169_2_5,
     author = {Jozef Bobok},
     title = {Forcing relation on minimal interval patterns},
     journal = {Fundamenta Mathematicae},
     pages = {161--173},
     year = {2001},
     volume = {169},
     number = {2},
     doi = {10.4064/fm169-2-5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm169-2-5/}
}