%0 Journal Article %T On the neutron-antineutron oscillations %A L. B. Okun %J Physics %D 2013 %I arXiv %X This is a draft of my brief note on the early history of $n\bar{n}$ oscillations written for the Project X at the request of Chris Quigg in March 2013. %U http://arxiv.org/abs/1306.5052v1