1. A l e x a n d e r J . C . & A n t m a n S . S . 1 9 8 1 G l o b a l b e h a v i o r o f b i f u r c a t i n g m u l t i - d i m e n s i o n a l c o n t i n u a o f s o l u t i o n s f o r m u l t i p a r a m e t e r n o n l i n e a r e i g e n v a l u e p r o b l e m s . Archs ration. Mech. Analysis 7 6 3 3 9 -3 5 4 .
2. A l e x a n d e r J . C . & Y o r k e J . A . c o h o m o l o g y .
3. A m b a r t s u m i a n S . A . 1 9 6 7 Theory of anisotropic plates (In R u s s ia n .) M o sc o w : G IF M L .
4. A m b a r t s u m i a n S . A . 1 9 7 4 G e n e r a l T h e o r y o f A n i s o t r o p i c S h e l l s ( in R u s s i a n ) M o s c o w : N a u k a .