@article{TMF_2003_135_1_a3,
     author = {K. S. Mamaeva and N. N. Trunov},
     title = {Wave {Equations} in {Riemannian} {Spaces}},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {82--94},
     publisher = {mathdoc},
     volume = {135},
     number = {1},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2003_135_1_a3/}
}