@article{CMFD_2016_59_a6,
     author = {S. Modena},
     title = {Quadratic interaction estimate for hyperbolic conservation laws: an overview},
     journal = {Contemporary Mathematics. Fundamental Directions},
     pages = {148--172},
     year = {2016},
     volume = {59},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CMFD_2016_59_a6/}
}