00405nam a2200157Ia 4500008004100000020000900041035001000050082002200060100004200082245006800124250000600192260002700198300000800225500000800233650000600241210723s9999||||xx |||||||||||||| ||und||  aNULL  a25044  a530.15BBIT / KAL  aBitsadze, A. V. / Kalinichenko, D. F. 0aCollection Of Problems On The Equations Of Mathematical Physics  a-  aMoscowbMir Publishers  a334  a156  a-