@article{10_21136_AM_1973_103479,
     author = {\v{C}ul{\'\i}k, Karel},
     title = {Syntactical definitions of program and flow diagram},
     journal = {Applications of Mathematics},
     pages = {280--301},
     publisher = {mathdoc},
     volume = {18},
     number = {4},
     year = {1973},
     doi = {10.21136/AM.1973.103479},
     mrnumber = {0317571},
     zbl = {0273.68009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/AM.1973.103479/}
}