@article{TMF_2016_188_3_a2,
     author = {V. S. Gerdjikov and G. G. Grahovski and R. I. Ivanov},
     title = {The~$N$-wave equations with $\mathcal{PT}$ symmetry},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {397--415},
     publisher = {mathdoc},
     volume = {188},
     number = {3},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2016_188_3_a2/}
}