@article{NSR1990KH01, author="M. Kh. {Khankhasayev}", title="On Determination of the 2p-Energy Level Shift and Width for $\pi ^{-}$-$^{4}$He Atom", journal="Czech.J.Phys.", year=1990, volume="B40", pages="176" }
***** ***** * Note: Translation from NSR format to bibTex is imperfect. Entries * * may require editing before use. This is especially true for * * "secondary" sources such as conference proceedings, lab reports, etc. * ***** *****