@article{app146z5p06,
authors = {M. Piotrowska, F. Giacosa},
title = {Two-Photon Decay of Para-Positronium Within a Composite Approach},
journal = {Acta Phys. Pol. A},
year = {2024},
pages = {699},
volume = {146},
issue = {5},
doi = {10.12693/APhysPolA.146.699},
url = {dx.doi.org/10.12693/APhysPolA.146.699}
}