@article{TMF_1992_92_3_a11,
     author = {Yu. M. Zinoviev},
     title = {Open bosonic string amplitudes},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {498--506},
     publisher = {mathdoc},
     volume = {92},
     number = {3},
     year = {1992},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TMF_1992_92_3_a11/}
}