Addison, J., Howison, S., & King, J. (2006). Ray methods for free boundary problems.
Chicago-čujuhus (17. p.)Addison, J., S. Howison, juo J. King. Ray Methods for Free Boundary Problems. 2006.
MLA-čujuhus (9. p.)Addison, J., et al. Ray Methods for Free Boundary Problems. 2006.
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