@article{TIMM_2008_14_1_a7,
     author = {K. V. Kurmaeva and S. S. Titov},
     title = {Forward sonic line in the inverse theory of nozzle},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {81--97},
     publisher = {mathdoc},
     volume = {14},
     number = {1},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2008_14_1_a7/}
}