1. Antontsev SN, Gonçalves CR, Meirmanov AM (2002) Local existence of classical solutions to the well-posed Hele-Shaw problem. Port Math (N.S.) 59(4):435–452
2. Antontsev SN, Meirmanov AM, Yurinsky BV (2004) Weak solutions for a well-posed Hele-Shaw problem. Boll Unione Mat Ital Sez B, Artic Ric Mat (8) 7(2):397–424
3. Antontsev SN, Gonçalves CR, Meirmanov AM (2003) Exact estimates for the classical solutions to the free boundary problem in the Hele-Shaw cell. Adv Differ Equ 8(10):1259–1280
4. Begehr H, Gilbert RP (1986) Hele-Shaw type flows in $${\mathbb{R}}^n$$ R n . Nonlinear Anal 10:65–85
5. Dallaston MC, McCue SW (2012) New exact solutions for Hele-Shaw flow in doubly connected regions. Phys Fluid 24:052101