On equivalence of gluon-loop exchange in the inelastic processes in perturbative QCD to pion exchange in ɸ3 theoryIgor Sharf, Andrii Tykhonov, Maksym Delyiergyiev, Grygorii Sokhrannyi, Natalia Podolyan, Kyrylo Merkotan, D. Ptashynskyy, Y. Volkotrub, Oleksiy Potiyenko and Vitaliy RusovEPJ Web of Conferences, 60 (2013) 20018DOI: https://doi.org/10.1051/epjconf/20136020018