@article{PismaZhETF.35.329, title = {Experimental study of the X transition in helium in narrow gaps}, author = {Panov, V. I. and Sobyanin, A. A.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {35}, issue = {8}, pages = {329}, year = {1982}, doi = {}, url = {http://jetpletters.ru/ps/0/article_19967.shtml}, }