@article{TRSPY_1975_136_a11,
     author = {H. Leutwyler},
     title = {On casuality tests for inelastic electron scattering},
     journal = {Informatics and Automation},
     pages = {189--193},
     publisher = {mathdoc},
     volume = {136},
     year = {1975},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1975_136_a11/}
}