A survey on mixed finite element approximations
1994 ◽
Vol 30
(5)
◽
pp. 3547-3551
◽
1992 ◽
Vol 97
(2)
◽
pp. 193-210
◽
2010 ◽
Vol 45
(4)
◽
pp. 675-696
◽
2019 ◽
Vol 343
◽
pp. 127-150
◽
2015 ◽
Vol 289
◽
pp. 208-224
◽
2002 ◽
Vol 18
(9)
◽
pp. 645-657
◽