Mika, Janusz (1979)

Equadiff IV

Vishik, Mark I., Chepyzhov, Vladimir V. (1994)

Equadiff 8

Farkas, M. (1982)

Equadiff 5

Giusti, Enrico (1982)

Equadiff 5

Maz'ya, V. G. (1979)

Equadiff IV

Šlahor, L'udomír (1982)

Equadiff 5

Kučera, Milan (1982)

Equadiff 5

Fila, M., Filo, J. (1990)

Equadiff 7

Král, J. (1979)

Equadiff IV

Mawhin, J. (1979)

Equadiff IV

Knobloch, H. W. (1979)

Equadiff IV

Velte, Waldemar (1982)

Equadiff 5

Kružhkov, Stanislav N. (1982)

Equadiff 5

Malikov, Khoris M. (1982)

Equadiff 5

Axelsson, O. (1990)

Equadiff 7

(2013)

Applications of Mathematics 2013

(1982)

Equadiff 5

(1990)

Equadiff 7

(1979)

Equadiff IV

(1994)

Equadiff 8