Nonlinear Partial Differential Equations of First Order
1997 ◽
Vol 125
(5)
◽
pp. 1483-1485
◽
2015 ◽
pp. 99-125
2017 ◽
Vol 324
◽
pp. 72-84
2011 ◽
Vol 377
(2)
◽
pp. 881-888
◽