He, Xinyu. (2007) An example of finite-time singularities in the 3d Euler equations. Journal of Mathematical Fluid Mechanics, Vol.9 (No.3). pp. 398-410. ISSN 1422-6928

He, Xinyu. (2005) A sufficient condition for a finite-time $L_2 $ singularity of the 3d Euler Equations. Mathematical Proceedings of the Cambridge Philosophical Society, Vol.139 (No.3). pp. 555-561. ISSN 0305-0041