Form factor π0γ*γ in lightcone sum rules combined with renormalization-group summation vs experimental data.C. Ayala, S. V. Mikhailov, A. V. Pimikov and N. G. StefanisEPJ Web Conf., 222 (2019) 03017DOI: https://doi.org/10.1051/epjconf/201922203017