Supel, J. Sokól <br/><br/>
complete limit analysis solution for point loaded strip / b-y J. Sokól - Supel 

 - [Varsovia, Polonia] : logical Research, Department of Structural Mechanics 
 - [6] p. 
<br/><br/> "[Reprinted from:] Bulletin de l Académie Polonaise des Sci-ences. Série des sciences techniques. Volume XXIII, No.4, 1-975".