Peric, D., Kadapa, C., Dettmer, W., Perić, D., Dettmer, W., & Kadapa, C. (2015). NURBS based least-squares finite element methods for fluid and solid mechanics. International Journal for Numerical Methods in Engineering, 101(7), pp. 521-539. doi:10.1002/nme.4765

Peric, Djordje, C. Kadapa, W.G Dettmer, D. Perić, Wulf Dettmer, and Chennakesava Kadapa. "NURBS Based Least-squares Finite Element Methods for Fluid and Solid Mechanics." International Journal for Numerical Methods in Engineering 101, no. 7 (2015): 521-539.

Peric, Djordje, et al. "NURBS Based Least-squares Finite Element Methods for Fluid and Solid Mechanics." International Journal for Numerical Methods in Engineering 101.7 (2015): 521-539.