@article{PismaZhETF.23.58, title = {Concerning the form factors of composite systems}, author = {Garsevanishvili, V. R.}, journal = {πΙΣΨΝΑ Χ φότζ}, volume = {23}, issue = {1}, pages = {58}, year = {1976}, doi = {}, url = {http://jetpletters.ru/ps/0/article_27425.shtml}, }