@article{TRSPY_1967_102_a0,
     author = {O. A. Ladyzhenskaya},
     title = {Preface},
     journal = {Informatics and Automation},
     pages = {3--4},
     publisher = {mathdoc},
     volume = {102},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1967_102_a0/}
}