@article{TM_2004_245_a1, author = {V. S. Vladimirov}, title = {Adelic {Formulas} for {Four-Particle} {String} and {Superstring} {Tree} {Amplitudes} in {One-Class} {Quadratic} {Fields}}, journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova}, pages = {9--28}, publisher = {mathdoc}, volume = {245}, year = {2004}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TM_2004_245_a1/} }