@book{26914,
	author = {Soskin, Marat, ed.},
	title = {International Conference on Singular Optics},
	publisher = {SPIE},
	year = {1998},
	series = {Proceedings of SPIE; V. 3487},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/3487}
}