@article{TRSPY_1971_116_a3,
     author = {M. L. Gromov and Ya. M. Eliashberg},
     title = {Construction of nonsingular isoperimetric films},
     journal = {Informatics and Automation},
     pages = {18--33},
     publisher = {mathdoc},
     volume = {116},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1971_116_a3/}
}