@article{MZM_1978_23_6_a13,
     author = {Yu. I. Zhuravlev},
     title = {Principles of construction of justification of algorithms for the solution of badly formalized problems},
     journal = {Matemati\v{c}eskie zametki},
     pages = {899--914},
     publisher = {mathdoc},
     volume = {23},
     number = {6},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1978_23_6_a13/}
}