Ralston, J. (1976). On the propagation of singularities in solutions of symmetric hyperbolic partial differential equations. Communications in partial differential equations, 1(2), 87-133. https://doi.org/10.1080/03605307608820006
Citácia podle Chicago (17th ed.)Ralston, J.V. "On the Propagation of Singularities in Solutions of Symmetric Hyperbolic Partial Differential Equations." Communications in Partial Differential Equations 1, no. 2 (1976): 87-133. https://doi.org/10.1080/03605307608820006.
Citácia podľa MLA (8th ed.)Ralston, J.V. "On the Propagation of Singularities in Solutions of Symmetric Hyperbolic Partial Differential Equations." Communications in Partial Differential Equations, vol. 1, no. 2, 1976, pp. 87-133, https://doi.org/10.1080/03605307608820006.