@article{Andreev:1994,
	author = {A. F. Andreev},
	title = {New quantum states in helium crystals},
	publisher = {Physics-Uspekhi},
	year = {1994},
	journal = {Phys. Usp.},
	volume = {37},
	number = {12},
	pages = {1187-1188},
	url = {https://ufn.ru/en/articles/1994/12/g/},
	doi = {10.1070/PU1994v037n12ABEH001443}
}